Home / 25,722.18-38,579.28-9,924.91

Finding the Fourth Proportional to 25,722.18, 38,579.28 and 9,924.91

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Solution

The fourth proportional to 25,722.18, 38,579.28 and 9,924.91 is: 14,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.18 : 38,579.28 = 9,924.91 : x
  2. Step 2: Convert to fraction form
    25,722.18/38,579.28 = 9,924.91/x
  3. Step 3: Cross multiply
    25,722.18x = 38,579.28 × 9,924.91
  4. Step 4: Simplify right side
    25,722.18x = 382,895,748.20
  5. Step 5: Solve for x
    x = 382,895,748.20/25,722.18
  6. Step 6: Final answer
    x = 14,885.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.